Dr. Thomas Patrick Oconnor, MD

Dr. Thomas Oconnor is a board-certified oncologist who also practices internal medicine, bringing 25 years of comprehensive experience to cancer care. He earned his medical degree from the Jacobs School of Medicine & Biomedical Sciences at the University of Buffalo, establishing a strong foundation for his dual specialty practice. Dr. Oconnor is fluent in both English and Spanish, enabling him to serve diverse patient populations throughout his extensive career.

Dr. Oconnor maintains affiliations with several prestigious Boston-area institutions, including Massachusetts General Hospital, Brigham and Women's Hospital, and Beth Israel Deaconess Medical Center, with practice locations in South Weymouth and Boston. He specializes in treating various forms of lung cancer, including both non-small cell and small cell types. His expertise includes advanced imaging procedures such as CT scans and PET scans to help diagnose and monitor cancer treatment progress. Patients have given Dr. Oconnor …an average rating of 3.6 on Vitals.